Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459567 | Gas-insulated switchgear | Masahiro Arioka, Takakazu Harada | 2002-10-01 |
| 6392157 | Device for bus coupling between enclosed switchboards with insulating gas sealed therein | Masahiro Arioka | 2002-05-21 |